While fighting against asteroids, armed only with their math skills, users will greatly improve their hability to perform arithmetical operations mentally. And breaking records! TuxMath has several dificulty . . . → Read More: TuxMath for Sugar

I have been interviewed by André Machado, a Brazilian journalist from Zero Hora, a journal based in Porto Alegre, Brazil. André came to Uruguay for a few days because of the national elections and wanted to talk to someone who could speak Portuguese and who was collaborating with Plan Ceibal (OLPC implementation in . . . → Read More: Interview for a Brasilian journal about Plan Ceibal